Serta Cobalt Calm Extra Firm Tight Top Shipping Weight_597 all in cast aluminum wearing

all in cast aluminum wearing a Black Nickel finish that catches light without shouting for attention

California king Lettner

anti-tip hardware where it belongs

repelling dust mites and resisting stains without changing the mattress feel

Serta Cobalt Calm Extra Firm Tight Top Shipping Weight_597 all in cast aluminum wearingThe Cobalt Calm Extra Firm Tight Top is the stomach sleeper and heavy sleeper pick in the Cobalt Calm family 12 inches tall, no give in the top layers, and the same 850 coil 3 zoned support system underneath. Extra Firm keeps you sleeping on top of the mattress with almost no give. Stomach sleepers benefit because their spine stays flat; heavier sleepers benefit because they don't bottom out into the coils. Anti microbial cover; adjustable base